The lates developed and new design for Multi Media Mouse Pad can be used online chat room. It's designed according to the human body. So when using one feel very comfortable and relaxed. The Multi Media Mouse Pad has high quality Conceal Style Mic and the volume can be adjustable from output. It's easy and convenient to use. Besides, it's has two 3.5mm socket that can be inserted with Earphone and MIC. When the MIC socket () is inserted to the 3.5mm plug, the computer sound system will be automatically off. The other 3.5mm Earphone socket () is designed for Stereo and Normal Earphone or Speaker use. If you neet to use the Earphone or MIC, you just need to take the cable for " Earphone" and "MIC" plug the insert to the computer sound card. Model No. 611 Specifications : * Microphone Element : Electret - Condenser Polar Pattern : Omni - directional Frequency : 50~60KHZ Sensitivity : -50 dB (Max imun) (0 dB=1v/ubar at 1000HZ) * Mechanical : Connector : Two 3.5mm Stereo Plugs (MIC & SP) Cable Length (1.7mm+1.7mm)x1.8M Socket : Two 3.5mm Socket Dimensions : 260mm(W) x 215mm(L) x 30mm(H)